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Email sending limits by platform (2026): monthly send allowance and what happens when you go over, 19 platforms compared
Last verified against official pricing pages · published 11 Nov 2026
Prices change often. Each price was checked on the platform's official pricing page on the date shown; plans, promos and taxes vary. Confirm on the official site before you buy. Not financial advice.
Short answer: most email platforms tie your monthly sends to your list size: 10× to 24× your contact tier is typical (Mailchimp, Constant Contact, ActiveCampaign, AWeber, Klaviyo, MailerLite Comfort, Omnisend Standard, Sender). Going over costs a fee per extra email at ActiveCampaign, Constant Contact, Klaviyo, Mailchimp, Mailjet and Shopify Email, bumps you up a tier at AWeber, Klaviyo and MailerLite, and stops or holds sending on at least some plans (often the free one) at ActiveCampaign, AWeber, Brevo, GetResponse, HubSpot, Klaviyo, Mailchimp, MailerLite, Omnisend and Sender. beehiiv, Flodesk, GetResponse paid plans, Ghost, Kit, MailerLite Power (fair use), Moosend and Omnisend Pro (fair use) publish no monthly send cap.
Every row comes from the vendor's own pricing page or help article, checked on the date shown, and is computed from the same data as our calculator. Where a vendor publishes no rule we say not published; we don't guess fees. How the calculator uses these limits: send limits.
Send allowance and over-the-limit rule by platform
| Platform | Monthly send allowance | When you go over | Official source (checked) | Details |
|---|---|---|---|---|
| ActiveCampaign Starter · Plus · Pro · Enterprise | 10× / 10× / 12× / 15× your contact limit (campaigns and automations; not 1:1 or transactional) | Sending continues; $0.005 per extra email ($5 per 1,000). If overage sends reach 3× your limit, sending is turned off until next month | ActiveCampaign help (2026-11-10) | ActiveCampaign pricing |
| AWeber Free · Lite · Plus | Free: 3,000/mo (about 100/day). Lite: 10× · Plus: 12× your subscriber tier | Paid: your account moves up to the next subscriber tier automatically; sending continues. Free: sending stops until you upgrade | AWeber help (2026-11-06) | AWeber plans |
| beehiiv Free · Lite · Pro | Unlimited (as published) | No monthly send cap published, so nothing to go over | beehiiv pricing (2026-10-25) | beehiiv pricing |
| Brevo Free · Starter · Standard · Professional | Free: 300/day. Paid: the monthly volume you buy (Starter 5,000–100,000, Standard up to 500,000, Professional 150,000–10,000,000) | Paid: no automatic overage charge described; add emails to your plan (pro-rated) or buy prepaid credits (prices not published). Free: only 300 go out per day; resend the rest with Requeue | Brevo help (2026-11-08), add-ons help (2026-11-08) | Brevo sending limits |
| Constant Contact Lite · Standard · Premium | 10× / 12× / 24× your contact tier (automated emails don't count) | Sending continues; $0.002 per extra email ($2 per 1,000) | Constant Contact KB 46046 (2026-11-09) | Constant Contact email limits |
| EmailOctopus Free · Pro | Free: 10,000/mo. Pro: 10× your subscriber tier (at least 10,000) | To send more than your monthly email limit you upgrade manually; what happens if you hit the cap is not published. (Going over the contact limit is different: EmailOctopus upgrades you to the tier that fits automatically) | EmailOctopus help (2026-11-12), pricing FAQ (2026-11-07) | EmailOctopus plans |
| Flodesk Email · Everything | Unlimited (as published) | No monthly send cap published, so nothing to go over | Flodesk pricing (2026-11-10) | Flodesk pricing |
| GetResponse Free · Starter · Marketer · Creator | Free: 2,500/mo. Paid: unlimited | Paid: no send cap to go over. Free: sending stops at the limit: recipients over it don't get the message, and autoresponders and automations stop until you upgrade (confirmation emails don't count) | GetResponse help (2026-11-06), Free account help (2026-11-12) | GetResponse plans |
| Ghost Starter · Publisher · Business | Unlimited (as published) | No monthly send cap published, so nothing to go over | Ghost pricing (2026-10-25) | Ghost pricing |
| HubSpot Free · Starter | Free: 2,000/calendar month. Starter: 5× your marketing-contact tier | Free: no more emails until the next calendar month, scheduled ones included (form follow-up emails still go out). Starter: you "may not be able to send any more emails"; raise the limit by upgrading your marketing-contact tier or buying the Dedicated IP add-on (unlimited sends) | HubSpot Product Specific Terms (2026-11-12), HubSpot pricing (2026-11-03) | HubSpot pricing |
| Kit Free · Creator · Pro | Unlimited (as published) | No monthly send cap published, so nothing to go over | Kit pricing (2026-10-25) | Kit pricing |
| Klaviyo Free · Email | Free: 500/mo (250 profiles). Email: 10× your profile tier | Paid: your choice of flexible overages (one-off charge at your plan's unit rate), auto-upgrade, or stop sending until the next cycle. Free: sending stops until next cycle or upgrade | Klaviyo help (2026-11-11) | Klaviyo limits |
| Mailchimp Free · Essentials · Standard · Premium | Free: 500/mo (max 250/day). Paid: 10× / 12× / 15× your contact tier | Paid: sending continues; Mailchimp bills add-on contact blocks (block prices not published). Free: sending is put on hold until you upgrade | Mailchimp help (2026-11-07), plans help (2026-11-07) | Mailchimp sending limits |
| MailerLite Free · Comfort · Power | Free: 2,500/mo. Comfort: 10× your subscriber tier. Power: unlimited (fair use, no figure published) | Comfort: the billing help says your plan auto-upgrades to the next tier for that cycle and returns at renewal; the pricing FAQ says upgrade to Power or wait for the reset. Our calculator follows the billing help (prices the Comfort tier that covers your sends) and lists Power next to it. Free: sending pauses (campaigns and automations) until you upgrade or the limit resets on your account registration date; you're only charged if you upgrade yourself | MailerLite help (2026-11-06), pricing FAQ (2026-11-06), plan usage help (2026-11-12), Free plan FAQ (2026-11-12) | MailerLite plans |
| Mailjet Free · Starter · Essential · Premium | Free: 6,000/mo, max 200/day. Paid: the monthly volume you buy (8,000 to 500,000) | Paid: sending continues; extra emails billed at $1.20–$2.58 per 1,000 (can't be switched off). Free: emails over 200/day are queued for later | Mailjet help (2026-11-08) | Mailjet sending limits |
| Moosend Pro | Unlimited (as published) | No monthly send cap published, so nothing to go over | Moosend pricing (2026-10-24) | Moosend pricing |
| Omnisend Free · Standard · Pro | Free: 500/mo. Standard: 12× your contacts. Pro: unlimited (fair use up to 60× your list) | Standard: campaigns can't be sent and automation contacts are dropped until renewal or upgrade (you confirm any upgrade). Free: prompted to upgrade at 500 | Omnisend help (2026-11-03) | Omnisend plans |
| Sender Free · Standard · Professional | Free: 15,000/mo. Standard: 12× · Professional: 24× your subscriber tier | A campaign larger than your remaining sends may be blocked or restricted; upgrade (applies immediately) or wait for the reset at the next billing cycle | Sender help (2026-11-04) | Sender plans |
| Shopify Email Any paid Shopify plan | 10,000 free emails/mo, then pay per email | $1.00 per 1,000 up to 300,000, then $0.65, and $0.55 above 750,000 | Shopify help (2026-11-07) | Shopify Email cost |
"×" means monthly emails per contact (or subscriber/profile) in your pricing tier: 10× at the 1,000 tier is 10,000 emails a month. Brevo, Mailjet and Shopify Email sell email volume instead. Not covered: Substack, Buttondown, SendPulse and Systeme.io (no structured send-limit data in our sources yet).
Who charges, who upgrades, who stops
- Charge per extra email: ActiveCampaign, Constant Contact, Klaviyo, Mailchimp, Mailjet and Shopify Email.
- Move you up a tier: AWeber, Klaviyo and MailerLite.
- Stop or hold sending (some plans): ActiveCampaign, AWeber, Brevo, GetResponse, HubSpot, Klaviyo, Mailchimp, MailerLite, Omnisend and Sender.
- No monthly send cap published: beehiiv, Flodesk, GetResponse paid plans, Ghost, Kit, MailerLite Power (fair use), Moosend and Omnisend Pro (fair use).
- Over-the-limit rule not published: EmailOctopus (sends: only "upgrade manually" is published).
If you send often, a fee per extra email can cost less than the next tier, or more. Our calculator asks how often you send and picks the cheapest tier or published overage for each platform.
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FAQ
Which email platforms charge overage fees?
In our sources: ActiveCampaign, Constant Contact, Klaviyo, Mailchimp, Mailjet and Shopify Email. Constant Contact charges $0.002 per extra email and ActiveCampaign $0.005; Mailjet bills extra emails per 1,000; Shopify Email charges per 1,000 after the free 10,000; Klaviyo offers optional "flexible overages"; Mailchimp bills add-on contact blocks but doesn't publish their prices.
Which email platforms have no monthly send limit?
beehiiv, Flodesk, GetResponse paid plans, Ghost, Kit, MailerLite Power (fair use), Moosend and Omnisend Pro (fair use): each vendor says these plans include unlimited monthly emails. The two fair-use plans differ: Omnisend Pro allows up to 60× your list a month, and MailerLite publishes no figure for Power.
What happens when you hit your send limit?
It depends on the platform. Some keep sending and bill the extra (ActiveCampaign, Constant Contact, Klaviyo, Mailchimp, Mailjet and Shopify Email), some move you up a tier (AWeber, Klaviyo and MailerLite), and some stop or hold sending until the next cycle or an upgrade (ActiveCampaign, AWeber, Brevo, GetResponse, HubSpot, Klaviyo, Mailchimp, MailerLite, Omnisend and Sender). Free plans usually stop sending. Check the row for your platform above.
Do automated emails count toward the send limit?
Usually yes. Mailchimp counts test and transactional emails; ActiveCampaign counts campaigns and automations but not 1:1 or transactional emails; Constant Contact is the exception, excluding automated emails (welcome emails, abandoned cart reminders, automated series) from the allowance and overage.
Which platforms don't publish what happens when you go over?
EmailOctopus (sends: only "upgrade manually" is published): we found no official rule for what happens at the send cap, so the table says "not published" rather than guessing.
Related guides: Newsletter platform refund policies (2026) · AWeber Free plan (2026) · How newsletter platform prices changed 2023–2026 (from archived pricing pages) · Nonprofit Email Marketing Discounts (2026) · Is AWeber worth it in 2026? Cost vs Mailchimp, GetResponse, Brevo and MailerLite, Free 500/3,000 limit and when Lite beats them · PencilBooth alternatives · Mailchimp Free plan limits (2026) · MailerLite Free plan (2026) · all guides
Comparisons: beehiiv vs Kit · Kit vs MailerLite · beehiiv vs MailerLite · Mailchimp vs MailerLite · Brevo vs MailerLite · Brevo vs Mailchimp · AWeber vs MailerLite · AWeber vs Mailchimp · AWeber vs Kit · Constant Contact vs Mailchimp · Constant Contact vs MailerLite · AWeber vs Constant Contact · ActiveCampaign vs Mailchimp · GetResponse vs Mailchimp · ActiveCampaign vs GetResponse · GetResponse vs MailerLite · beehiiv vs Ghost · Kit vs Mailchimp · beehiiv vs Mailchimp · Kit vs Ghost · Ghost vs MailerLite · beehiiv vs AWeber · AWeber vs Ghost · Ghost vs Mailchimp · AWeber vs GetResponse · AWeber vs ActiveCampaign · AWeber vs Brevo · beehiiv vs Brevo · beehiiv vs Constant Contact · beehiiv vs ActiveCampaign · Kit vs Flodesk · MailerLite vs Flodesk · beehiiv vs Flodesk · Sender vs MailerLite · Sender vs Mailchimp · Sender vs Brevo · Sender vs Kit · Sender vs EmailOctopus · Moosend vs Mailchimp · Moosend vs MailerLite · Moosend vs Constant Contact · Moosend vs Brevo · Flodesk vs Moosend · Flodesk vs Mailchimp · Flodesk vs Constant Contact · Flodesk vs Brevo · MailerLite vs EmailOctopus · EmailOctopus vs Mailchimp · EmailOctopus vs Brevo · EmailOctopus vs Kit · EmailOctopus vs beehiiv · GetResponse vs Brevo · ActiveCampaign vs Brevo · ActiveCampaign vs Constant Contact · ActiveCampaign vs Kit · ActiveCampaign vs MailerLite · Kit vs Brevo · Constant Contact vs Brevo · Constant Contact vs Kit · GetResponse vs Kit · Klaviyo vs Mailchimp · Klaviyo vs Omnisend · Klaviyo vs Brevo · Klaviyo vs Constant Contact · Klaviyo vs MailerLite · Klaviyo vs Kit · Klaviyo vs ActiveCampaign · Klaviyo vs beehiiv · Klaviyo vs Flodesk · Klaviyo vs GetResponse · AWeber vs Klaviyo · Omnisend vs Mailchimp · Omnisend vs Brevo · Omnisend vs MailerLite · Omnisend vs Kit · Omnisend vs Flodesk · Omnisend vs ActiveCampaign · Omnisend vs beehiiv · Constant Contact vs Omnisend · Klaviyo vs Shopify Email · Shopify Email vs Mailchimp · Omnisend vs Shopify Email · Shopify Email vs Flodesk · Shopify Email vs MailerLite · Mailjet vs Mailchimp · Mailjet vs Brevo · Mailjet vs MailerLite · HubSpot vs Mailchimp · HubSpot vs Brevo · HubSpot vs ActiveCampaign · HubSpot vs Constant Contact · Constant Contact vs GetResponse · Cheapest for 500, 1,000, 2,500, 5,000, 10,000, 25,000 subscribers
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Recently flagged: Flodesk drops subscriber tiers: Email $46/month and Everything $99/month, unlimited subscribers (10 Nov 2026) · Kit: 25% off the first year of Pro on annual billing (limited-time offer) (20 Oct 2026)